#include <stdio.h>
#include <string.h>
int main(void)
{
    char s1[9], s2[9];
    strcpy(s1, "computer");
    strcpy(s2, "science");
    if (strcmp(s1, s2) < 0)
        strcat(s1, s2);
    else
        strcat(s2, s1);
    s1[strlen(s1)-6] = '\0';  /* computerscience */
    puts(s1);                 /* computers */
    return 0;
}